Triple

T6023067
Position Surface form Disambiguated ID Type / Status
Subject Furka Pass E134108 entity
Predicate hasNearbyRailway P25143 FINISHED
Object Furka Oberalp railway
The Furka Oberalp railway is a historic Swiss narrow-gauge mountain railway renowned for its spectacular alpine scenery and steep, winding route through the central Swiss Alps.
 E565707 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Furka Oberalp railway | Statement: [Furka Pass, hasNearbyRailway, Furka Oberalp railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Furka Oberalp railway
Context triple: [Furka Pass, hasNearbyRailway, Furka Oberalp railway]
  • A. Wengernalp Railway
    The Wengernalp Railway is a historic Swiss rack railway in the Bernese Oberland that climbs from the Lauterbrunnen and Grindelwald valleys up to Kleine Scheidegg beneath the Eiger, Mönch, and Jungfrau.
  • B. Gornergrat Railway
    The Gornergrat Railway is a historic cogwheel mountain railway in Switzerland that carries passengers from Zermatt up to the Gornergrat ridge, offering panoramic views of the Matterhorn and surrounding Alpine glaciers.
  • C. Brienz Rothorn Railway
    The Brienz Rothorn Railway is a historic Swiss steam-powered rack railway that climbs from the village of Brienz to the summit of the Brienzer Rothorn, offering panoramic views of the surrounding Alps and Lake Brienz.
  • D. Stubai Valley Railway
    The Stubai Valley Railway is a narrow-gauge electric railway in Tyrol, Austria, connecting the city of Innsbruck with the Stubai Valley and serving both local commuters and tourists.
  • E. Bernese Oberland Railway
    The Bernese Oberland Railway is a Swiss mountain railway that connects the town of Interlaken with popular alpine destinations such as Grindelwald and Lauterbrunnen in the Bernese Oberland region.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Furka Oberalp railway
Triple: [Furka Pass, hasNearbyRailway, Furka Oberalp railway]
Generated description
The Furka Oberalp railway is a historic Swiss narrow-gauge mountain railway renowned for its spectacular alpine scenery and steep, winding route through the central Swiss Alps.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Furka Oberalp railway
Target entity description: The Furka Oberalp railway is a historic Swiss narrow-gauge mountain railway renowned for its spectacular alpine scenery and steep, winding route through the central Swiss Alps.
  • A. Wengernalp Railway
    The Wengernalp Railway is a historic Swiss rack railway in the Bernese Oberland that climbs from the Lauterbrunnen and Grindelwald valleys up to Kleine Scheidegg beneath the Eiger, Mönch, and Jungfrau.
  • B. Gornergrat Railway
    The Gornergrat Railway is a historic cogwheel mountain railway in Switzerland that carries passengers from Zermatt up to the Gornergrat ridge, offering panoramic views of the Matterhorn and surrounding Alpine glaciers.
  • C. Brienz Rothorn Railway
    The Brienz Rothorn Railway is a historic Swiss steam-powered rack railway that climbs from the village of Brienz to the summit of the Brienzer Rothorn, offering panoramic views of the surrounding Alps and Lake Brienz.
  • D. Stubai Valley Railway
    The Stubai Valley Railway is a narrow-gauge electric railway in Tyrol, Austria, connecting the city of Innsbruck with the Stubai Valley and serving both local commuters and tourists.
  • E. Bernese Oberland Railway
    The Bernese Oberland Railway is a Swiss mountain railway that connects the town of Interlaken with popular alpine destinations such as Grindelwald and Lauterbrunnen in the Bernese Oberland region.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69c008742a5c8190b9cb9c2787a3d8b3 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c04fbd7978819085d683578bc62aa3 completed March 22, 2026, 8:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69c11ce9ea008190bc9056ee1822fd0f completed March 23, 2026, 10:58 a.m.
NEDg Description generation batch_69c11d91ddec819088e0c3988a4ba5b4 completed March 23, 2026, 11:01 a.m.
NED2 Entity disambiguation (via description) batch_69c11e2da4408190a0b32a2712cb77df completed March 23, 2026, 11:04 a.m.
Created at: March 22, 2026, 4:07 p.m.